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  3. Trifolium repens

Trifolium repens

Basic information
Scientific name Trifolium repens

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シロツメクサ
Common names White clover, Ladino clover, Shamrock
Higher taxon Fabaceae, Fabales, Magnoliopsida, Magnoliophyta
Natural range Europe.
Habitat Roadside, vacancy, farm area, grassland, etc.
Invasion information
Range in Japan Almost entire Japan Range in Japan
Origin Netherlands
Date Imported many times since the first import in 1846 from Netherlands.
Route Deliberate: The first introduction was those used as stuffing for present articles from Netherlands. After, those imported as grazing, green manure, afforestation may be spread widely.
Impact Competition with native grasses and crops. Accumulation of soil nitrogen, etc.
Affected organism: Native grasses and crops.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries N Africa, Asia, North and South America, Oceania, etc.
Reference Notes
  • Hotta et al. (1989) Useful Plants of the World. Heibonsha, Tokyo (in Jpn)
  • Jpn Assoc Advanc Phyto-Regul & Inst Contr Agrochem, Minist Agr, China (2000) Chinese Colored Weed Illustrated Book. Zenkoku-Noson-Kyoiku-Kyokai, Tokyo (in Chn and Eng)
  • Osada (1976) Colored Illustrations of Naturalized Plants of Japan. Hoikusha, Osaka (in Jpn)
  • Satake et al. (1982) Wild Flowers of Japan, Herbaceous Plants [II]. Heibonsha, Tokyo (in Jpn)
  • Shimizu (ed) (2003) Naturalized Plants of Japan. Heibonsha, Tokyo (in Jpn)
  • etc.